New Zealand will let terror suspect Suhayra Aden and her children into the country.

In February this year Aden crossed from Syria to Turkey, with the Turkish ministry identifying her as an Islamic state terrorist.

She was once a dual citizen of New Zealand and Australia, but Australia revoked her citizenship, leaving New Zealand to repatriate her.

Heather du Plessis-Allan spoke to intelligence expert Paul Buchanan about security concerns and what this move will mean for Aden, her children and New Zealand.

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